Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of compressor is defined as the ratio of Power to drive compressor to isothermal h.p. Work to compress air isothermally to work for actual compression Isothermal h.p. to the BHP of motor Isothermal h.p. to adiabatic h.p. Power to drive compressor to isothermal h.p. Work to compress air isothermally to work for actual compression Isothermal h.p. to the BHP of motor Isothermal h.p. to adiabatic h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The inlet pressure is always ___ the discharge pressure. Equal to Less than None of the listed here More than Equal to Less than None of the listed here More than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Cylinder clearance in a compressor should be About 50% of swept volume As large as possible About 100% of swept volume As small as possible About 50% of swept volume As large as possible About 100% of swept volume As small as possible ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The weight per horse power ratio for gas in Turbine as compared to I.C. engine and steam turbine is Lower Same Higher None of these Lower Same Higher None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The mass of gas turbine per kW developed is about ________ as that of an I.C. engine. One-half One sixth Same One fourth One-half One sixth Same One fourth ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in gas turbine results in Increase in net output but decrease in thermal efficiency Increase in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Decrease in both thermal efficiency and net output Increase in net output but decrease in thermal efficiency Increase in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Decrease in both thermal efficiency and net output ANSWER DOWNLOAD EXAMIANS APP